Use the stack size from the code object and the CO_MAXBLOCKS constant from compile.h.  Remove all eval stack overflow checks.
Use the stack size from the code object and the CO_MAXBLOCKS constant
from compile.h.  Remove all eval stack overflow checks.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator